<template>
  <div id="app">
    <router-view/>
  </div>
</template>

<script>
export default {
  name: "app",
  created() {
    //在页面加载时读取sessionStorage里的状态信息
    sessionStorage.getItem("state") && this.$store.replaceState(Object.assign(this.$store.state,JSON.parse(sessionStorage.getItem("state"))));
    //在页面刷新时将vuex里的信息保存到sessionStorage里
    window.addEventListener("beforeunload",()=>{
      sessionStorage.setItem("state",JSON.stringify(this.$store.state))
    })
  }
};
</script>

<style>
@import "./public/css/reset.css";
body,
html,* {
  padding: 0px;
  margin: 0px;
}
.main{
  width: 1340px;
  margin: 0 auto;
}
#app {
  font-family: "Avenir", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2c3e50;
}
.home-cen {
  width: 100%;
  background-color: white;
}
</style>
